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Rigged Hilbert space

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The concept of rigged Hilbert space places this idea in an abstract functional-analytic framework. Formally, a rigged Hilbert space consists of a
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on Hilbert space can be formulated. "Rigged Hilbert spaces are well known as the structure which provides a proper mathematical meaning to the
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in its 'test function' topology, is realised as a space of distributions or generalised functions of some sort, and the
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R. de la Madrid, "The role of the rigged Hilbert space in Quantum Mechanics," Eur. J. Phys. 26, 287 (2005);
2357: 2347: 2342: 2702: 2671: 2590: 2050: 1876: 1820: 1784: 1332: 1057: 2753: 2707: 2650: 2102: 1138:. In the case of complex Hilbert spaces, we use a Hermitian inner product; it will be complex linear in 318: 263: 635: 2636: 2516: 2495: 2409: 2294: 1859: 2632: 2319: 2055: 1825: 1763: 1477: 232: 2449: 2378: 2309: 2153: 2115: 1850: 1717: 259: 2758: 2738: 2711: 2655: 2627: 2556: 2531: 2216: 2138: 1830: 1418: 1401: 1388: 1360: 480: 368: 228: 2768: 2645: 2561: 2262: 2110: 2065: 1989: 1835: 1753: 1722: 1702: 1687: 1682: 1677: 1514: 808: 372: 255: 200:
Construction linking the study of "bound" and continuous eigenvalues in functional analysis
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Generalized Eigenfunction Expansions and Unitary Representations of Topological Groups
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R. de la Madrid, "Quantum Mechanics in Rigged Hilbert Space Language,"
1047:{\displaystyle \langle u,v\rangle _{\Phi \times \Phi ^{*}}=(u,v)_{H}} 1385:
Irreversibility and Causality, Semigroups and Rigged Hilbert Spaces
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are faithfully represented as distributions (because we assume
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is often named the "Gelfand triple" (after the mathematician
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is a Hilbert space in its own right, this isomorphism is
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Krasnoholovets, Volodymyr; Columbus, Frank H. (2004).
1247: 1159: 1092: 1060: 983: 905: 811: 667: 638: 570: 493: 424: 326: 280: 599:{\displaystyle \Phi \subseteq H\subseteq \Phi ^{*}.} 518:{\displaystyle \phi \mapsto \langle v,\phi \rangle } 2777: 2721: 2690: 2664: 2620: 2474: 2458: 2402: 2366: 2335: 2281: 2225: 2167: 2124: 2079: 2033: 1972: 1869: 1793: 1772: 1731: 1670: 1612: 1558: 1493: 462:for the Hilbert norm. We consider the inclusion of 72:
may be too technical for most readers to understand
2542:Spectral theory of ordinary differential equations 1806:Spectral theory of ordinary differential equations 1304: 1194: 1130: 1078: 1046: 953: 823: 797: 653: 632:: Here (in the simplest case of Sobolev spaces on 608:The most significant examples are those for which 598: 517: 436: 350: 305: 2440:Schröder–Bernstein theorems for operator algebras 139:but its sources remain unclear because it lacks 418:, that is one for which the natural inclusion 393:theory was developed in the years after 1950. 385:theory. This was supplied by the apparatus of 2598: 1946: 1462: 1428:, Polish Scientific Publishers, Warsaw, 1968. 1229:the same as the composition of the inclusion 1131:{\displaystyle v\in H=H^{*}\subset \Phi ^{*}} 971:is then compatible with the inner product on 8: 997: 984: 512: 500: 1195:{\displaystyle (\Phi ,\,\,H,\,\,\Phi ^{*})} 954:{\displaystyle i^{*}:H=H^{*}\to \Phi ^{*}.} 50:Learn how and when to remove these messages 2605: 2591: 2583: 1953: 1939: 1931: 1497: 1469: 1455: 1447: 1293: 1280: 1252: 1246: 1183: 1178: 1177: 1170: 1169: 1158: 1122: 1109: 1091: 1059: 1038: 1011: 1000: 982: 942: 929: 910: 904: 810: 783: 779: 778: 765: 752: 733: 729: 728: 718: 693: 689: 688: 678: 666: 645: 641: 640: 637: 587: 569: 492: 423: 333: 325: 291: 279: 223:) is a construction designed to link the 188:Learn how and when to remove this message 170:Learn how and when to remove this message 100:Learn how and when to remove this message 84:, without removing the technical details. 1759:Group algebra of a locally compact group 1359:. Nova Science Publishers. p. 79. 1320: 235:. Such spaces were introduced to study 1381:Quantum Mechanics Beyond Hilbert Space 264:Dirac formulation of quantum mechanics 2273:Spectral theory of normal C*-algebras 2071:Spectral theory of normal C*-algebras 628:. Also, a simple example is given by 82:make it understandable to non-experts 7: 2268:Spectral theory of compact operators 254:Using this notion, a version of the 1079:{\displaystyle u\in \Phi \subset H} 2420:Cohen–Hewitt factorization theorem 1290: 1264: 1180: 1163: 1119: 1067: 1008: 1001: 939: 835:Formal definition (Gelfand triple) 749: 708: 584: 571: 425: 14: 2729:Compact operator on Hilbert space 2425:Extensions of symmetric operators 351:{\displaystyle -i{\frac {d}{dx}}} 31:This article has multiple issues. 2243:Positive operator-valued measure 1915: 1914: 1841:Topological quantum field theory 654:{\displaystyle \mathbb {R} ^{n}} 437:{\displaystyle \Phi \subseteq H} 306:{\displaystyle x\mapsto e^{ix},} 116: 61: 20: 2527:Rayleigh–Faber–Krahn inequality 1410:(See paragraphs 23.8 and 23.32) 1357:New Research in Quantum Physics 620:consists of test functions and 560:. Therefore, the definition of 39:or discuss these issues on the 1286: 1189: 1160: 1035: 1022: 935: 789: 774: 739: 724: 699: 684: 497: 284: 1: 2435:Limiting absorption principle 1637:Uniform boundedness principle 1397:(Provides a survey overview.) 2061:Singular value decomposition 963:The duality pairing between 861:a dense subspace, such that 546:Riesz representation theorem 397:Functional analysis approach 2492:Hearing the shape of a drum 2175:Decomposition of a spectrum 1338:Encyclopedia of Mathematics 564:is in terms of a sandwich: 410:, together with a subspace 239:. They bring together the ' 2862: 2698:Hilbert projection theorem 2080:Special Elements/Operators 1780:Invariant subspace problem 2677:Cauchy–Schwarz inequality 2552:Superstrong approximation 2415:Banach algebra cohomology 2248:Projection-valued measure 2233:Borel functional calculus 2005:Projection-valued measure 1910: 1500: 391:generalized eigenfunction 2144:Spectrum of a C*-algebra 2015:Spectrum of a C*-algebra 1749:Spectrum of a C*-algebra 869:structure for which the 867:topological vector space 125:This article includes a 2572:Wiener–Khinchin theorem 2507:Kuznetsov trace formula 2482:Almost Mathieu operator 2300:Banach function algebra 2289:Amenable Banach algebra 2046:Gelfand–Naimark theorem 2000:Noncommutative topology 1846:Noncommutative geometry 154:more precise citations. 2844:Schwartz distributions 2547:Sturm–Liouville theory 2445:Sherman–Takeda theorem 2325:Tomita–Takesaki theory 2100:Hermitian/Self-adjoint 2051:Gelfand representation 1902:Tomita–Takesaki theory 1877:Approximation property 1821:Calculus of variations 1333:"Rigged_Hilbert_space" 1306: 1209:Note that even though 1196: 1132: 1080: 1048: 955: 825: 824:{\displaystyle s>0} 799: 655: 600: 519: 475:. The latter, dual to 444:is continuous. It is 438: 352: 307: 221:equipped Hilbert space 2829:Generalized functions 2708:Polarization identity 2651:Orthogonal complement 2041:Gelfand–Mazur theorem 1897:Banach–Mazur distance 1860:Generalized functions 1383:(1996), appearing in 1307: 1221:) if it happens that 1197: 1144:(math convention) or 1133: 1081: 1049: 977:, in the sense that: 956: 826: 800: 656: 624:of the corresponding 601: 520: 439: 353: 319:differential operator 308: 2682:Riesz representation 2637:L-semi-inner product 2517:Proto-value function 2496:Dirichlet eigenvalue 2410:Abstract index group 2295:Approximate identity 2258:Rigged Hilbert space 2134:Krein–Rutman theorem 1980:Involution/*-algebra 1642:Kakutani fixed-point 1627:Riesz representation 1245: 1219:Riesz representation 1157: 1090: 1058: 981: 903: 887:with its dual space 841:rigged Hilbert space 809: 665: 636: 568: 562:rigged Hilbert space 544:Now by applying the 491: 422: 324: 278: 217:nested Hilbert space 209:rigged Hilbert space 2703:Parseval's identity 2672:Bessel's inequality 2320:Von Neumann algebra 2056:Polar decomposition 1826:Functional calculus 1785:Mahler's conjecture 1764:Von Neumann algebra 1478:Functional analysis 274:A function such as 260:unbounded operators 249:continuous spectrum 233:functional analysis 2450:Unbounded operator 2379:Essential spectrum 2358:Schur–Horn theorem 2348:Bauer–Fike theorem 2343:Alon–Boppana bound 2336:Finite-Dimensional 2310:Nuclear C*-algebra 2154:Spectral asymmetry 1851:Riemann hypothesis 1550:Topological vector 1406:ÉlĂ©ments d'analyse 1302: 1192: 1128: 1076: 1044: 951: 821: 795: 651: 596: 515: 481:linear functionals 434: 348: 303: 127:list of references 2816: 2815: 2759:Sesquilinear form 2712:Parallelogram law 2656:Orthonormal basis 2580: 2579: 2557:Transfer operator 2532:Spectral geometry 2217:Spectral abscissa 2197:Approximate point 2139:Normal eigenvalue 1928: 1927: 1831:Integral operator 1608: 1607: 1366:978-1-59454-001-1 1235:with its adjoint 1213:is isomorphic to 893:, the adjoint to 857:a Hilbert space, 747: 707: 369:square-integrable 346: 251:', in one place. 229:square-integrable 198: 197: 190: 180: 179: 172: 110: 109: 102: 54: 2851: 2646:Prehilbert space 2607: 2600: 2593: 2584: 2562:Transform theory 2282:Special algebras 2263:Spectral theorem 2226:Spectral Theorem 2066:Spectral theorem 1955: 1948: 1941: 1932: 1918: 1917: 1836:Jones polynomial 1754:Operator algebra 1498: 1471: 1464: 1457: 1448: 1440:quant-ph/0502053 1371: 1370: 1352: 1346: 1345: 1325: 1311: 1309: 1308: 1303: 1298: 1297: 1285: 1284: 1257: 1256: 1241: 1234: 1224: 1216: 1212: 1201: 1199: 1198: 1193: 1188: 1187: 1149: 1143: 1137: 1135: 1134: 1129: 1127: 1126: 1114: 1113: 1085: 1083: 1082: 1077: 1053: 1051: 1050: 1045: 1043: 1042: 1018: 1017: 1016: 1015: 976: 970: 966: 960: 958: 957: 952: 947: 946: 934: 933: 915: 914: 898: 892: 886: 877: 864: 860: 856: 850: 830: 828: 827: 822: 804: 802: 801: 796: 788: 787: 782: 773: 772: 757: 756: 745: 738: 737: 732: 723: 722: 705: 698: 697: 692: 683: 682: 660: 658: 657: 652: 650: 649: 644: 623: 619: 611: 605: 603: 602: 597: 592: 591: 559: 553: 548:we can identify 540: 536: 530: 524: 522: 521: 516: 486: 483:on the subspace 478: 474: 470: 461: 451: 443: 441: 440: 435: 414:which carries a 413: 409: 380: 366: 357: 355: 354: 349: 347: 345: 334: 312: 310: 309: 304: 299: 298: 256:spectral theorem 193: 186: 175: 168: 164: 161: 155: 150:this article by 141:inline citations 120: 119: 112: 105: 98: 94: 91: 85: 65: 64: 57: 46: 24: 23: 16: 2861: 2860: 2854: 2853: 2852: 2850: 2849: 2848: 2839:Spectral theory 2819: 2818: 2817: 2812: 2805:Segal–Bargmann 2773: 2744:Hilbert–Schmidt 2734:Densely defined 2717: 2686: 2660: 2616: 2611: 2581: 2576: 2537:Spectral method 2522:Ramanujan graph 2470: 2454: 2430:Fredholm theory 2398: 2393:Shilov boundary 2389:Structure space 2367:Generalizations 2362: 2353:Numerical range 2331: 2315:Uniform algebra 2277: 2253:Riesz projector 2238:Min-max theorem 2221: 2207:Direct integral 2163: 2149:Spectral radius 2120: 2075: 2029: 2020:Spectral radius 1968: 1962:Spectral theory 1959: 1929: 1924: 1906: 1870:Advanced topics 1865: 1789: 1768: 1727: 1693:Hilbert–Schmidt 1666: 1657:Gelfand–Naimark 1604: 1554: 1489: 1475: 1445: 1419:N. Ya. Vilenkin 1379:J.-P. Antoine, 1375: 1374: 1367: 1354: 1353: 1349: 1327: 1326: 1322: 1317: 1289: 1276: 1248: 1243: 1242: 1236: 1230: 1222: 1214: 1210: 1179: 1155: 1154: 1145: 1139: 1118: 1105: 1088: 1087: 1056: 1055: 1034: 1007: 996: 979: 978: 972: 968: 964: 938: 925: 906: 901: 900: 894: 888: 882: 878:is continuous. 873: 862: 858: 852: 844: 837: 807: 806: 777: 761: 748: 727: 714: 687: 674: 663: 662: 639: 634: 633: 621: 617: 609: 583: 566: 565: 555: 549: 538: 532: 526: 489: 488: 484: 476: 472: 466: 457: 449: 448:to assume that 420: 419: 411: 405: 399: 376: 371:for the usual ( 362: 338: 322: 321: 287: 276: 275: 272: 237:spectral theory 201: 194: 183: 182: 181: 176: 165: 159: 156: 145: 131:related reading 121: 117: 106: 95: 89: 86: 78:help improve it 75: 66: 62: 25: 21: 12: 11: 5: 2859: 2858: 2855: 2847: 2846: 2841: 2836: 2834:Hilbert spaces 2831: 2821: 2820: 2814: 2813: 2811: 2810: 2802: 2796:compact & 2781: 2779: 2775: 2774: 2772: 2771: 2766: 2761: 2756: 2751: 2746: 2741: 2739:Hermitian form 2736: 2731: 2725: 2723: 2719: 2718: 2716: 2715: 2705: 2700: 2694: 2692: 2688: 2687: 2685: 2684: 2679: 2674: 2668: 2666: 2662: 2661: 2659: 2658: 2653: 2648: 2639: 2630: 2624: 2622: 2621:Basic concepts 2618: 2617: 2614:Hilbert spaces 2612: 2610: 2609: 2602: 2595: 2587: 2578: 2577: 2575: 2574: 2569: 2564: 2559: 2554: 2549: 2544: 2539: 2534: 2529: 2524: 2519: 2514: 2509: 2504: 2499: 2489: 2487:Corona theorem 2484: 2478: 2476: 2472: 2471: 2469: 2468: 2466:Wiener algebra 2462: 2460: 2456: 2455: 2453: 2452: 2447: 2442: 2437: 2432: 2427: 2422: 2417: 2412: 2406: 2404: 2400: 2399: 2397: 2396: 2386: 2384:Pseudospectrum 2381: 2376: 2374:Dirac spectrum 2370: 2368: 2364: 2363: 2361: 2360: 2355: 2350: 2345: 2339: 2337: 2333: 2332: 2330: 2329: 2328: 2327: 2317: 2312: 2307: 2302: 2297: 2291: 2285: 2283: 2279: 2278: 2276: 2275: 2270: 2265: 2260: 2255: 2250: 2245: 2240: 2235: 2229: 2227: 2223: 2222: 2220: 2219: 2214: 2209: 2204: 2199: 2194: 2193: 2192: 2187: 2182: 2171: 2169: 2165: 2164: 2162: 2161: 2156: 2151: 2146: 2141: 2136: 2130: 2128: 2122: 2121: 2119: 2118: 2113: 2105: 2097: 2089: 2083: 2081: 2077: 2076: 2074: 2073: 2068: 2063: 2058: 2053: 2048: 2043: 2037: 2035: 2031: 2030: 2028: 2027: 2025:Operator space 2022: 2017: 2012: 2007: 2002: 1997: 1992: 1987: 1985:Banach algebra 1982: 1976: 1974: 1973:Basic concepts 1970: 1969: 1960: 1958: 1957: 1950: 1943: 1935: 1926: 1925: 1923: 1922: 1911: 1908: 1907: 1905: 1904: 1899: 1894: 1889: 1887:Choquet theory 1884: 1879: 1873: 1871: 1867: 1866: 1864: 1863: 1853: 1848: 1843: 1838: 1833: 1828: 1823: 1818: 1813: 1808: 1803: 1797: 1795: 1791: 1790: 1788: 1787: 1782: 1776: 1774: 1770: 1769: 1767: 1766: 1761: 1756: 1751: 1746: 1741: 1739:Banach algebra 1735: 1733: 1729: 1728: 1726: 1725: 1720: 1715: 1710: 1705: 1700: 1695: 1690: 1685: 1680: 1674: 1672: 1668: 1667: 1665: 1664: 1662:Banach–Alaoglu 1659: 1654: 1649: 1644: 1639: 1634: 1629: 1624: 1618: 1616: 1610: 1609: 1606: 1605: 1603: 1602: 1597: 1592: 1590:Locally convex 1587: 1573: 1568: 1562: 1560: 1556: 1555: 1553: 1552: 1547: 1542: 1537: 1532: 1527: 1522: 1517: 1512: 1507: 1501: 1495: 1491: 1490: 1476: 1474: 1473: 1466: 1459: 1451: 1444: 1443: 1436: 1429: 1422: 1412: 1399: 1376: 1373: 1372: 1365: 1347: 1319: 1318: 1316: 1313: 1301: 1296: 1292: 1288: 1283: 1279: 1275: 1272: 1269: 1266: 1263: 1260: 1255: 1251: 1204:Israel Gelfand 1191: 1186: 1182: 1176: 1173: 1168: 1165: 1162: 1125: 1121: 1117: 1112: 1108: 1104: 1101: 1098: 1095: 1075: 1072: 1069: 1066: 1063: 1041: 1037: 1033: 1030: 1027: 1024: 1021: 1014: 1010: 1006: 1003: 999: 995: 992: 989: 986: 950: 945: 941: 937: 932: 928: 924: 921: 918: 913: 909: 836: 833: 820: 817: 814: 794: 791: 786: 781: 776: 771: 768: 764: 760: 755: 751: 744: 741: 736: 731: 726: 721: 717: 713: 710: 704: 701: 696: 691: 686: 681: 677: 673: 670: 648: 643: 630:Sobolev spaces 595: 590: 586: 582: 579: 576: 573: 514: 511: 508: 505: 502: 499: 496: 433: 430: 427: 416:finer topology 398: 395: 344: 341: 337: 332: 329: 302: 297: 294: 290: 286: 283: 271: 268: 213:Gelfand triple 199: 196: 195: 178: 177: 135:external links 124: 122: 115: 108: 107: 69: 67: 60: 55: 29: 28: 26: 19: 13: 10: 9: 6: 4: 3: 2: 2857: 2856: 2845: 2842: 2840: 2837: 2835: 2832: 2830: 2827: 2826: 2824: 2809: 2808: 2803: 2801: 2799: 2795: 2791: 2787: 2783: 2782: 2780: 2776: 2770: 2767: 2765: 2762: 2760: 2757: 2755: 2752: 2750: 2747: 2745: 2742: 2740: 2737: 2735: 2732: 2730: 2727: 2726: 2724: 2720: 2713: 2709: 2706: 2704: 2701: 2699: 2696: 2695: 2693: 2691:Other results 2689: 2683: 2680: 2678: 2675: 2673: 2670: 2669: 2667: 2663: 2657: 2654: 2652: 2649: 2647: 2643: 2642:Hilbert space 2640: 2638: 2634: 2633:Inner product 2631: 2629: 2626: 2625: 2623: 2619: 2615: 2608: 2603: 2601: 2596: 2594: 2589: 2588: 2585: 2573: 2570: 2568: 2565: 2563: 2560: 2558: 2555: 2553: 2550: 2548: 2545: 2543: 2540: 2538: 2535: 2533: 2530: 2528: 2525: 2523: 2520: 2518: 2515: 2513: 2510: 2508: 2505: 2503: 2500: 2497: 2493: 2490: 2488: 2485: 2483: 2480: 2479: 2477: 2473: 2467: 2464: 2463: 2461: 2457: 2451: 2448: 2446: 2443: 2441: 2438: 2436: 2433: 2431: 2428: 2426: 2423: 2421: 2418: 2416: 2413: 2411: 2408: 2407: 2405: 2403:Miscellaneous 2401: 2394: 2390: 2387: 2385: 2382: 2380: 2377: 2375: 2372: 2371: 2369: 2365: 2359: 2356: 2354: 2351: 2349: 2346: 2344: 2341: 2340: 2338: 2334: 2326: 2323: 2322: 2321: 2318: 2316: 2313: 2311: 2308: 2306: 2303: 2301: 2298: 2296: 2292: 2290: 2287: 2286: 2284: 2280: 2274: 2271: 2269: 2266: 2264: 2261: 2259: 2256: 2254: 2251: 2249: 2246: 2244: 2241: 2239: 2236: 2234: 2231: 2230: 2228: 2224: 2218: 2215: 2213: 2210: 2208: 2205: 2203: 2200: 2198: 2195: 2191: 2188: 2186: 2183: 2181: 2178: 2177: 2176: 2173: 2172: 2170: 2168:Decomposition 2166: 2160: 2157: 2155: 2152: 2150: 2147: 2145: 2142: 2140: 2137: 2135: 2132: 2131: 2129: 2127: 2123: 2117: 2114: 2112: 2109: 2106: 2104: 2101: 2098: 2096: 2093: 2090: 2088: 2085: 2084: 2082: 2078: 2072: 2069: 2067: 2064: 2062: 2059: 2057: 2054: 2052: 2049: 2047: 2044: 2042: 2039: 2038: 2036: 2032: 2026: 2023: 2021: 2018: 2016: 2013: 2011: 2008: 2006: 2003: 2001: 1998: 1996: 1993: 1991: 1988: 1986: 1983: 1981: 1978: 1977: 1975: 1971: 1967: 1963: 1956: 1951: 1949: 1944: 1942: 1937: 1936: 1933: 1921: 1913: 1912: 1909: 1903: 1900: 1898: 1895: 1893: 1892:Weak topology 1890: 1888: 1885: 1883: 1880: 1878: 1875: 1874: 1872: 1868: 1861: 1857: 1854: 1852: 1849: 1847: 1844: 1842: 1839: 1837: 1834: 1832: 1829: 1827: 1824: 1822: 1819: 1817: 1816:Index theorem 1814: 1812: 1809: 1807: 1804: 1802: 1799: 1798: 1796: 1792: 1786: 1783: 1781: 1778: 1777: 1775: 1773:Open problems 1771: 1765: 1762: 1760: 1757: 1755: 1752: 1750: 1747: 1745: 1742: 1740: 1737: 1736: 1734: 1730: 1724: 1721: 1719: 1716: 1714: 1711: 1709: 1706: 1704: 1701: 1699: 1696: 1694: 1691: 1689: 1686: 1684: 1681: 1679: 1676: 1675: 1673: 1669: 1663: 1660: 1658: 1655: 1653: 1650: 1648: 1645: 1643: 1640: 1638: 1635: 1633: 1630: 1628: 1625: 1623: 1620: 1619: 1617: 1615: 1611: 1601: 1598: 1596: 1593: 1591: 1588: 1585: 1581: 1577: 1574: 1572: 1569: 1567: 1564: 1563: 1561: 1557: 1551: 1548: 1546: 1543: 1541: 1538: 1536: 1533: 1531: 1528: 1526: 1523: 1521: 1518: 1516: 1513: 1511: 1508: 1506: 1503: 1502: 1499: 1496: 1492: 1487: 1483: 1479: 1472: 1467: 1465: 1460: 1458: 1453: 1452: 1449: 1441: 1437: 1434: 1430: 1427: 1423: 1420: 1416: 1415:I. M. Gelfand 1413: 1411: 1407: 1403: 1400: 1398: 1394: 1393:3-540-64305-2 1390: 1386: 1382: 1378: 1377: 1368: 1362: 1358: 1351: 1348: 1344: 1340: 1339: 1334: 1330: 1329:Minlos, R. A. 1324: 1321: 1314: 1312: 1299: 1294: 1281: 1277: 1273: 1270: 1267: 1261: 1258: 1253: 1249: 1239: 1233: 1228: 1220: 1207: 1205: 1184: 1174: 1171: 1166: 1151: 1148: 1142: 1123: 1115: 1110: 1106: 1102: 1099: 1096: 1093: 1073: 1070: 1064: 1061: 1039: 1031: 1028: 1025: 1019: 1012: 1004: 993: 990: 987: 975: 961: 948: 943: 930: 926: 922: 919: 916: 911: 907: 897: 891: 885: 879: 876: 872: 871:inclusion map 868: 855: 848: 842: 834: 832: 818: 815: 812: 792: 784: 769: 766: 762: 758: 753: 742: 734: 719: 715: 711: 702: 694: 679: 675: 671: 668: 646: 631: 627: 626:distributions 615: 614:nuclear space 606: 593: 588: 580: 577: 574: 563: 558: 552: 547: 542: 535: 529: 509: 506: 503: 494: 482: 469: 465: 460: 455: 447: 431: 428: 417: 408: 404: 403:Hilbert space 396: 394: 392: 388: 387:distributions 384: 383:Hilbert space 379: 375:) measure on 374: 370: 365: 361: 342: 339: 335: 330: 327: 320: 316: 315:eigenfunction 300: 295: 292: 288: 281: 269: 267: 265: 261: 257: 252: 250: 246: 242: 238: 234: 230: 226: 222: 218: 214: 210: 206: 192: 189: 174: 171: 163: 153: 149: 143: 142: 136: 132: 128: 123: 114: 113: 104: 101: 93: 83: 79: 73: 70:This article 68: 59: 58: 53: 51: 44: 43: 38: 37: 32: 27: 18: 17: 2806: 2797: 2793: 2789: 2785: 2754:Self-adjoint 2665:Main results 2475:Applications 2305:Disk algebra 2257: 2159:Spectral gap 2034:Main results 1882:Balanced set 1856:Distribution 1794:Applications 1647:Krein–Milman 1632:Closed graph 1425: 1409: 1408:VII (1978). 1405: 1402:J. DieudonnĂ© 1396: 1384: 1380: 1356: 1350: 1336: 1323: 1237: 1231: 1226: 1208: 1152: 1146: 1140: 973: 962: 895: 889: 883: 881:Identifying 880: 874: 853: 846: 840: 838: 607: 561: 556: 550: 543: 533: 527: 467: 458: 406: 400: 390: 377: 367:, but isn't 363: 273: 253: 225:distribution 220: 216: 212: 208: 202: 184: 166: 157: 146:Please help 138: 96: 87: 71: 47: 40: 34: 33:Please help 30: 2764:Trace class 2502:Heat kernel 2202:Compression 2087:Isospectral 1811:Heat kernel 1801:Hardy space 1708:Trace class 1622:Hahn–Banach 1584:Topological 1424:K. Maurin, 1153:The triple 899:is the map 865:is given a 464:dual spaces 245:eigenvector 241:bound state 231:aspects of 205:mathematics 152:introducing 2823:Categories 2180:Continuous 1995:C*-algebra 1990:B*-algebra 1744:C*-algebra 1559:Properties 1433:PhD Thesis 1315:References 843:is a pair 270:Motivation 36:improve it 1966:-algebras 1718:Unbounded 1713:Transpose 1671:Operators 1600:Separable 1595:Reflexive 1580:Algebraic 1566:Barrelled 1343:EMS Press 1331:(2001) , 1295:∗ 1291:Φ 1287:→ 1282:∗ 1268:⊂ 1265:Φ 1254:∗ 1185:∗ 1181:Φ 1164:Φ 1124:∗ 1120:Φ 1116:⊂ 1111:∗ 1097:∈ 1071:⊂ 1068:Φ 1065:∈ 1054:whenever 1013:∗ 1009:Φ 1005:× 1002:Φ 998:⟩ 985:⟨ 944:∗ 940:Φ 936:→ 931:∗ 912:∗ 767:− 754:∗ 750:Φ 709:Φ 589:∗ 585:Φ 581:⊆ 575:⊆ 572:Φ 513:⟩ 510:ϕ 501:⟨ 498:↦ 495:ϕ 429:⊆ 426:Φ 360:real line 328:− 285:↦ 160:July 2023 90:June 2020 42:talk page 2778:Examples 2567:Weyl law 2512:Lax pair 2459:Examples 2293:With an 2212:Discrete 2190:Residual 2126:Spectrum 2111:operator 2103:operator 2095:operator 2010:Spectrum 1920:Category 1732:Algebras 1614:Theorems 1571:Complete 1540:Schwartz 1486:glossary 541:dense). 487:of type 389:, and a 373:Lebesgue 2792:) with 2769:Unitary 2628:Adjoint 2108:Unitary 1723:Unitary 1703:Nuclear 1688:Compact 1683:Bounded 1678:Adjoint 1652:Min–max 1545:Sobolev 1530:Nuclear 1520:Hilbert 1515:FrĂ©chet 1480: ( 1435:(2001). 446:no loss 358:on the 317:of the 247:) and ' 148:improve 76:Please 2749:Normal 2092:Normal 1698:Normal 1535:Orlicz 1525:Hölder 1505:Banach 1494:Spaces 1482:topics 1391:  1363:  805:where 746:  706:  313:is an 2800:<∞ 2185:Point 1510:Besov 1217:(via 851:with 612:is a 554:with 454:dense 133:, or 2722:Maps 2644:and 2635:and 2116:Unit 1964:and 1858:(or 1576:Dual 1417:and 1389:ISBN 1361:ISBN 1086:and 967:and 849:, Ί) 816:> 525:for 258:for 227:and 207:, a 1227:not 1206:). 531:in 471:in 456:in 452:is 266:." 243:' ( 203:In 80:to 2825:: 1484:– 1404:, 1395:. 1341:, 1335:, 839:A 831:. 661:) 622:Ί* 219:, 215:, 137:, 129:, 45:. 2807:F 2798:n 2794:K 2790:K 2788:( 2786:C 2714:) 2710:( 2606:e 2599:t 2592:v 2498:) 2494:( 2395:) 2391:( 1954:e 1947:t 1940:v 1862:) 1586:) 1582:/ 1578:( 1488:) 1470:e 1463:t 1456:v 1442:. 1369:. 1300:. 1278:H 1274:= 1271:H 1262:: 1259:i 1250:i 1240:* 1238:i 1232:i 1223:Ί 1215:Ί 1211:Ί 1190:) 1175:, 1172:H 1167:, 1161:( 1147:v 1141:u 1107:H 1103:= 1100:H 1094:v 1074:H 1062:u 1040:H 1036:) 1032:v 1029:, 1026:u 1023:( 1020:= 994:v 991:, 988:u 974:H 969:Ί 965:Ί 949:. 927:H 923:= 920:H 917:: 908:i 896:i 890:H 884:H 875:i 863:Ί 859:Ί 854:H 847:H 845:( 819:0 813:s 793:, 790:) 785:n 780:R 775:( 770:s 763:H 759:= 743:, 740:) 735:n 730:R 725:( 720:s 716:H 712:= 703:, 700:) 695:n 690:R 685:( 680:2 676:L 672:= 669:H 647:n 642:R 618:Ί 610:Ί 594:. 578:H 557:H 551:H 539:Ί 534:H 528:v 507:, 504:v 485:Ί 477:Ί 473:Ί 468:H 459:H 450:Ί 432:H 412:Ί 407:H 378:R 364:R 343:x 340:d 336:d 331:i 301:, 296:x 293:i 289:e 282:x 211:( 191:) 185:( 173:) 167:( 162:) 158:( 144:. 103:) 97:( 92:) 88:( 74:. 52:) 48:(

Index

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mathematics
distribution
square-integrable
functional analysis
spectral theory
bound state
eigenvector
continuous spectrum
spectral theorem
unbounded operators
Dirac formulation of quantum mechanics
eigenfunction
differential operator
real line
square-integrable
Lebesgue

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